The main reason to use tongue and groove boards these days is appearance from beneath the roof.
Tongue and groove plywood roof decking.
Tongue and groove decking provides the customer with an outstanding solution for roof and subfloor structure where exposed to the lower level.
Tongue and grooved edges eliminate blocking provide proper spacing and simplify installation.
Product may vary by store.
If right now you are thinking about which deck choice to add to your new roof design or to replace the old or damaged one you are in the right place.
I ve heard in the past that placing structural i plywood or osb over the top of the decking can provide the necessary diaphragm action.
Tongue and groove roof decking especially the one from solid wood boards is one of the two most common choices for residential use right now.
This is usually 2 6 with a tongue formed on one edge of the board that fits snugly into the groove in the board adjacent to it.
It is a challenge to replace this type as it is not readily available at most lumber yards.
Structural decking also known as roof decking should not be confused with lumber intended for residential and non residential outdoor decks.
Rafters it shouldn t be an issue.
Single layer flooring panel for use under hardwood flooring carpet and pad ceramic and vinyl floor coverings this plywood combines sub floor and underlayment into a single powerful panel for use under carpet and pad hardwood flooring or vinyl tile.
Useful in an old fashioned country cottage or cabin decor.
Tongue and groove boards were used for decades prior to the widespread adoption of plywood as a sheathing material in the 1950s and 1960s.
The other one is plywood.
This tongue and groove decking combines appearance grade with unsurpassed quality of finish making them ideal for exposed ceiling applications.
Say what you want about them but osb and plywood do not offer a very attractive finished look.
Some use clips as convenient spacers.
For 5 8 or thicker roof sheathing on 16 o c.
Osb is a material with high mechanical properties that make it particularly suitable for load bearing applications in construction.
What is tongue and groove decking.
In my experience the need for tongue and groove or edge clips is determined by the thickness of the roof sheathing and the spacing of the rafters.
Easy to paint and stain for attaining a suitable finish.
Nominal three and four inch decking is especially well adapted for use with glued laminated arches and girders and is easily and quickly erected.